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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 9, Iss. 4 — Apr. 1, 2014

Highly resonant and directional optical nanoantennas

Jing Qi, Thomas Kaiser, Ralf Peuker, Thomas Pertsch, Falk Lederer, and Carsten Rockstuhl  »View Author Affiliations


JOSA A, Vol. 31, Issue 2, pp. 388-393 (2014)
http://dx.doi.org/10.1364/JOSAA.31.000388


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Abstract

Plasmonic nanoantennas permit many functional components for future generations of nanoscale optical devices. They have been intensively studied and means were devised to engineer their optical response. However, as a metal-based resonator, the low quality factor of a plasmonic antenna hinders its further applications. Here, we propose a novel design to improve the quality factor of a dipolar nanoantenna by combining it with plasmonic Bragg gratings. This specific antenna design can support extraordinary sharp resonances and highly directional emissivity. Therefore, it promises to achieve many novel applications, e.g., in the field of cavity quantum electrodynamics where the strong coupling regime for light and matter comes in reach.

© 2014 Optical Society of America

OCIS Codes
(230.1480) Optical devices : Bragg reflectors
(230.5750) Optical devices : Resonators
(260.3910) Physical optics : Metal optics
(250.5403) Optoelectronics : Plasmonics
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Optical Devices

History
Original Manuscript: November 25, 2013
Revised Manuscript: December 21, 2013
Manuscript Accepted: December 21, 2013
Published: January 28, 2014

Virtual Issues
Vol. 9, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Jing Qi, Thomas Kaiser, Ralf Peuker, Thomas Pertsch, Falk Lederer, and Carsten Rockstuhl, "Highly resonant and directional optical nanoantennas," J. Opt. Soc. Am. A 31, 388-393 (2014)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-31-2-388

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